Re: [et-mgmt-tools] ANNOUNCE: virt-top 0.3.2.7 released

Re: [et-mgmt-tools] ANNOUNCE: virt-top 0.3.2.7 released

[Farkas Levente]

Richard W.M. Jones wrote:
> Richard W.M. Jones wrote:
>> Richard W.M. Jones wrote:
>>> Farkas Levente wrote:
>>>> [root@kvm ~]# /usr/bin/virt-top --connect qemu:///system
>>>> libvir: error : this function is not supported by the hypervisor:
>>>> virConnectGetHostname
>>>> Fatal error: exception Libvirt.Virterror(3, 0, _, 2, _, 0, _, _, 0,
>>>> _, _, 0)
>>>> [root@kvm ~]# rpm -q libvirt
>>>> libvirt-0.3.2-2
>>>
>>> You've found a real bug.  Virt-top is not very well tested against
>>> qemu, or rather that should be not tested at all.  But I'll go and
>>> try to make it work with qemu now.  Probably take a few hours though ...
>>
>> The patch to fix that particular bug is attached.  There may be other
>> though, still testing ...
> 
> OK, I'm fairly sure this is the only patch needed.
> 
> I'm going to roll this in to the next (0.3.2.8) release later.
> 
> Libvirt needs works to support block and network stats from QEMU/KVM.
> Virt-top won't fail because this is missing, it just can't display
> anything in those columns.  The work as far as I understand it is fairly
> simple, but also lower down on my list of priorities at the moment.
> 
> Another thing which virt-top uses but which is missing in QEMU/KVM is
> physical CPU usage and CPU pinning.  I have absolutely no idea if qemu
> supports this -- I assume it does through ordinary Linux mechanisms such
> as numactl.  As for KVM, no idea whatsoever.

maybe you can ask kvm people:-)
anyway if the new version will be uploaded i can try it again.

-- 
  Levente                               "Si vis pacem para bellum!"

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Re: [et-mgmt-tools] ANNOUNCE: virt-top 0.3.2.7 released

[Avi Kivity]

Farkas Levente wrote:
> Richard W.M. Jones wrote:
>   
>> Libvirt needs works to support block and network stats from QEMU/KVM.
>> Virt-top won't fail because this is missing, it just can't display
>> anything in those columns.  The work as far as I understand it is fairly
>> simple, but also lower down on my list of priorities at the moment.
>>
>> Another thing which virt-top uses but which is missing in QEMU/KVM is
>> physical CPU usage and CPU pinning.  I have absolutely no idea if qemu
>> supports this -- I assume it does through ordinary Linux mechanisms such
>> as numactl.  As for KVM, no idea whatsoever.
>>     


qemu and kvm are idential in this respect.  The only difference is in 
smp, where qemu maps all vcpus to a single host thread and kvm has a 
host thread for each vcpu thread.  sched_setaffinity() and similar work 
as expected.


> maybe you can ask kvm people:-)
> anyway if the new version will be uploaded i can try it again.
>
>   


-- 
error compiling committee.c: too many arguments to function


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